/*全局样式设置*/
* {
    margin: 0;
    padding: 0;
}
/*两个固定位置的样式设置*/
.logo{
    position: absolute;
    left: -130px;
    top: 0;
    width: 50px;
    height: 50px;
    background: url("../images/index/logo.png");
    background-size: 100% 100%;
    z-index: 1000;
}
.dh {
    text-align: center;
    border-radius: 10px;
    background: rgba(153,153,153,0.5);
    position: absolute;
    right: -100%;
    top: 0;
    width: 100%;
    height: 50px;
    color: #fff;
    z-index: 999;
    font-family: "幼圆", serif;
    font-size: 19px;
}

.dh a {
    color: #fff;
    text-decoration: none;
    content: "";
}

.dh_con {
    /*width: 1100px;*/
    float: right;
    margin-top: 10px;
    height: 40px;
    margin-right: 25px;
}

.dh_con {
    list-style: none;
}

.dh_con li {
    display: inline;
    vertical-align: top;
}

.dh_con li:nth-child(6) {
    width: 80px;
    display: inline-block;
}
@keyframes display_secondNav {
    from{
        transform: scale(0.1);
    }
    50%{
        transform: scale(1.1);
    }
    to{
        transform: none;
    }
}
.dh_con li:nth-child(6):hover .second_nav{
    display: block;
    animation: display_secondNav 2s 1;
}
.dh_con li:nth-child(6):hover{
    cursor: pointer;
    width: 80px;
}
.second_nav{
    width: 80px;
    height: 100px;
    position: relative;
    top: 10px;
    display: none;
}
.second_nav ul{
    width: 70px;
    margin: 0 auto;
}
.second_nav li{
    display: block;
}
.second_nav li:hover{
    background: gray;
    opacity: 0.5;
    cursor: pointer;
}
.nav-underline-active,
.nav-underline-active:hover {
    border-bottom: 2px solid #fff;
}


.nav-underline {
    position: relative;
    text-decoration: none;
    color: #fff;
}
.nav-underline:before {
    content: "";
    position: absolute;
    bottom: -10px;
    width: 0;
    border-bottom: 3px solid black;
    border-radius: 2px;
}
.nav-underline:hover:before {
    width: 100%;
}
.nav-underline:before {
    -webkit-transition: width 0.5s ease-in-out;
    -moz-transition: width 0.5s ease-in-out;
    -ms-transition: width 0.5s ease-in-out;
    -o-transition: width 0.5s ease-in-out;
    transition: width 0.5s ease-in-out;
}


/*第一屏的相关设置*/
.science-inner {
    position: relative;
    width: 980px;
    height: 780px;
    margin: 0 auto;
    background-image: url("../images/index/page2/bg_page2.png");
    overflow: hidden;
}
.science-inner a {
    text-decoration: none;
    color: #004b85;
    float: left;
    position: absolute;
    display: inline-block;
    white-space: nowrap;
    font: 18px "Microsoft Yahei";
}

.stimg1{
    height: 200px;
    width: 320px;
}
.stimg1 img{
    width: 100%;
    height: 100%;
}
.a_nuli{
    font-family: 华文行楷, serif !important;
    font-size: 100px !important;
}
.a_fengjian{
    font-family: 华文行楷, serif !important;
    font-size: 100px !important;
}
.stimg4{
    height: 330px;
    width: 330px;
}
.stimg4 img{
    width: 100%;
    height: 100%;
}

/*.st12{
    color: #004b85;
    font-size: 30px !important;
    font-weight: bold !important;
}
.st17{
    color: #004b85 ;
    font-size: 28px !important;
    font-weight: bold !important;
}*/
.science-inner img{
    border-radius: 5px;
    transition: 1s;
}
.science-inner img:hover{
    box-shadow: 5px 5px 10px 3px black;
    transform: scale(1.05);
}
.science-inner a:hover{
    color: #1c9cff;
}

.section{
    position: relative;
    width: 100%;
}

.fp-tableCell{
    width: 40%;
}

/*第二屏的相关设置*/
.famous-inner{
    position: relative;
    width: 980px;
    height: 850px;
    margin: 0 auto;
    background-image: url("../images/index/page3/bg_page3.png");
    overflow: hidden;
}

.famous-inner img{
    border-radius: 5px;
    transition: 1s;
}
.famous-inner img:hover{
    box-shadow: 5px 5px 10px 3px black;
    transform: scale(1.05);
}

.famous-inner a {
    text-decoration: none;
    color: #8a5e25;
    float: left;
    position: absolute;
    display: inline-block;
    white-space: nowrap;
    font: 18px "Microsoft Yahei";
}
.a_han{
    width: 220px;
    height: 300px;
}
.a_han img{
    width: 100%;
    height: 100%;
}
.a_sanguo{
    font-family: 华文行楷, serif !important;
    font-size: 140px !important;
}
.a_jin{
    font-family: 华文行楷, serif !important;
    font-size: 170px !important;
    width: 180px;
    height: 230px;
}
.a_jin img{
    width: 100%;
    height: 100%;
}
.a_sui{
    font-family: 华文行楷, serif !important;
    font-size: 170px !important;
}
.bold{
    font-size: 35px;
    font-weight: bold;
}
.famous-inner a:hover{
    color: #d58116;
}


/*第三屏的相关设置*/
.social-inner{
    position: relative;
    width: 980px;
    height: 850px;
    margin: 0 auto;
    background-image: url("../images/index/page4/bg_page4.png");
    overflow: hidden;
}

.social-inner img{
    border-radius: 5px;
    transition: 1s;
}
.social-inner img:hover{
    box-shadow: 5px 5px 10px 3px black;
    transform: scale(1.05);
}

.social-inner a {
    text-decoration: none;
    color: #535353;
    float: left;
    position: absolute;
    display: inline-block;
    white-space: nowrap;
    font: 18px "Microsoft Yahei";
}

.a_tang{
    font-family: 华文行楷, serif !important;
    font-size: 170px !important;
    width: 250px;
    height: 150px;
}
.a_tang img{
    width: 100%;
    height: 100%;
}
.a_song{
    font-family: 华文行楷, serif !important;
    font-size: 170px !important;
    width: 250px;
    height: 150px;
}
.a_song img{
    width: 100%;
    height: 100%;
}

.a_yuan{
    font-family: 华文行楷, serif !important;
    font-size: 170px !important;
    width: 200px;
    height: 300px;
}
.a_yuan img{
    width: 100%;
    height: 100%;
}
.a_ming{
    font-family: 华文行楷, serif !important;
    font-size: 170px !important;
}
.a_qing{
    font-family: 华文行楷, serif !important;
    font-size: 170px !important;
    width: 250px;
    height: 150px;
}
.a_qing img{
    width: 100%;
    height: 100%;
}

.social-inner a:hover {
    color: #bababa;
}
